Like the movement said, 5x5 and 5/3/1 are good. Personally, I do not like training that heavy all of the time. I like doing push/pull or PPL splits.
DC training is a really good option as well as this one (link)
https://www.t-nation.com/training/the-best-damn-workout-plan-for-natural-lifters

What’s your experience? I really like DC training. Assuming you are natural, there is an article on the best training style for natural lifters. This is one of my favorite routines (link below)
https://www.t-nation.com/training/the-best-damn-workout-plan-for-natural-lifters
Don’t forget...

What’s your experience in training?
For most of us with experience, training style really isn’t THAT important. The difference between 4 reps and 8 reps, for me, isn’t that big of a deal. The key is diet/nutrition. I can have the best training set up for my goals but if I’m not eating for my...

Sometimes we just need a break. Take off for a good week and stay semi strict on food. Get good sleep, go do things that you enjoy doing outside of the gym and stay hydrated. You may he surprised by how you feel.
Also, changing up your routine to something completely different would be a good...